Abstract
A route is devised for synthesis of both enantiomers of the spiro lactam 4. The enzyme uroporphyrinogen III synthase (cosynthetase), which converts hydroxymethylbilane 1 into uroporphyrinogen III 3, is competitively inhibited more than twenty times more strongly by one enantiomer of 4 than by the other. This finding adds further strong support to the view that cosynthetase acts by generating the spiro pyrrolenine 2 as an intermediate.
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Schedule a callMore From: Journal of the Chemical Society, Perkin Transactions 1
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